Validation and optimization of conditions for the sequential extraction of manganese from ash

被引:0
|
作者
Kalembkiewicz, J [1 ]
Sitarz-Palczak, E [1 ]
机构
[1] Rzeszow Univ Technol, Fac Chem, Dept Inorgan & Analyt Chem, PL-35959 Rzeszow, Poland
来源
POLISH JOURNAL OF ENVIRONMENTAL STUDIES | 2005年 / 14卷 / 01期
关键词
fly ash; manganese; sequential extraction; FAAS;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Methods of sequential extraction are used to determine various chemical forms of metals in environmental samples. With the variety of different sequential extraction procedures used in environmental exploration studies. it is difficult to compare results between studies. The attempt of validation of methods of analysis of chemical Fraction of Mn in ashes by FAAS method for two procedures of sequential extraction (BCR and Tessier et al.) was performed. It was found that both tested procedures give comparable and reproducible results. The optimal conditions of BCR methods were establislied, which are: parameters of ash sample (grain diameter - 0.06 mm, drying temperature - 110 degreesC for 24 hrs, mass sample - 1.00 g) and parameters of sequential extraction process (time - 6 hrs. relation of mass of sample to the volume of extraction Solution - 1:4). The optimum conditions of sequential extraction of Mn from coil fly ash can be applied ill the study of chemical fraction of Mn in fly ash in different research laboratories.
引用
收藏
页码:41 / 47
页数:7
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